Logitech Z-560
The Logitech Z-560 is a THX-certified 4.1 channel speaker system launched in the early 2000s, renowned for its massive 400 watt RMS power, huge room thumping bass from a 188-watt subwoofer. It features four 53 watt satellite speakers, patented M3D technology for virtual surround sound, and a dedicated sound touch control center.
It has 8 inch driver with a large heat sink on the back for cooling.